A configuration of hardware and software. It includes the CPU type, operating system and any runtime engines or system software required by a particular category of applications. See runtime engine.

Software that must be running in the computer for applications to execute. For example, all programming language interpreters are runtime engines. They convert the program, which is in its original ...

GTK+ is a runtime environment that applies to a number of operating systems. If you create an interface for a program, GTK runtime should be installed on the users’ computers so that the program runs.